{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937107046",
    "entityType": "User",
    "nonce": "0x56c6552600489f5de93266a1cb570cb6d34b811064c3724ceb34b98d67dc41d3",
    "signature": "0x66b5127dc7f3f3fbc56b877f199a841f3087f96780bc669602230c9f1a6d1f000e08111bc0a8443facc52826ca8b56f7b67189438b8290a852b53ebf4ab12e121b",
    "signer": "0x1011297FAB27Cd869ba8313983bF4793AB784705",
    "userId": "540848139"
  }
}